import time


def mult():
    x = pow(2, 40)
    y = pow(2, 40)

    z = 0

    while y > 0:
        if y % 2 == 1:
            z = z + x
        x = x << 1
        y = y >> 1
    return z
    # print(suma)


def mult2():
    i = pow(2, 40)
    ii = pow(2, 40)
    s = i * ii


def refetse():
    s = 'This is a stroka of an effect'
    s_rev = s[::-1]
    return s, s_rev


print(refetse())
#print(s_rev)

n = 10000
t0 = time.time()
for i in range(n):
    refetse()
t1 = time.time()

total_n = t1-t0

print(total_n)
